Edge bonding machine and laser head with adjustable light spot size

By integrating the laser generator, reflector and rotation device into a spot size adjustment mechanism of independent modules, the problem of inconvenient installation of the laser head of the existing edge sealer is solved, and the laser head is simplified and cost reduction is achieved, and the needs of different specifications of outer shells are adapted.

CN223301042UActive Publication Date: 2025-09-05SHENZHEN DAWEI LASER TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422101887.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-28
Publication Date
2025-09-05
Estimated Expiration
2034-08-28

AI Technical Summary

Technical Problem

The structure used in the laser head of the existing edge sealing machine is inconvenient to install, resulting in high manufacturing costs, low economic benefits, and does not meet market demand.

Method used

Design a laser head with adjustable spot size, including an outer shell and a built-in spot size adjustment mechanism. By integrating the laser generator, reflector and rotating device into independent modules, the installation process can be simplified and prefabricated into the outer shell of different sizes, with high adaptability.

Benefits of technology

The installation process of laser heads is simplified, manufacturing costs are reduced, production efficiency and economic benefits are improved, and the requirements of different specifications of outer shells are adapted.

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Abstract

The utility model provides an edge banding machine and a laser head with adjustable light spot size, which comprises an outer shell and a light spot size adjusting mechanism arranged in the outer shell, the light spot size adjusting mechanism comprises an inner shell, a laser generator, a first reflecting mirror, a second reflecting mirror and a rotating device, and the inner shell is provided with a first light outlet communicated with the inside of the inner shell; the laser generator, the first reflecting mirror, the second reflecting mirror and the rotating device are all arranged in the inner shell, and the rotating device is in driving connection with the first reflecting mirror and used for driving the first reflecting mirror to rotate; the first reflecting mirror and the second reflecting mirror are both located in a light path generated by the laser generator, and the second reflecting mirror is arranged corresponding to the first light outlet. The laser generator, the first reflecting mirror, the second reflecting mirror and the rotating device are innovatively installed in the inner shell to form the light spot size adjusting mechanism, the light spot size adjusting mechanism serves as an independent module to be installed in the outer shell, and the installation process is simplified.
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Description

Technical Field

[0001] The utility model relates to the technical field of edge banding machines, in particular to an edge banding machine and a laser head with adjustable light spot size. Background Art

[0002] With the development of laser application technology, laser applications are expanding. Laser processing equipment, with its advantages of more stable product quality and high production efficiency, is gradually being used in various manufacturing industries. When operating, a laser edge banding machine focuses the laser light emitted from a laser generator into a high-power density laser beam through an optical system. The laser beam is then irradiated onto the surface of the product, causing the adhesive on the surface to reach its melting point. As the laser beam and the product move relative to each other, the edge band is ultimately bonded to the surface of the product.

[0003] However, the structure for adjusting the laser spot size in the laser head of the current edge banding machine is mostly complex and inconvenient to install, resulting in high manufacturing costs for the laser head of the edge banding machine, which is not conducive to production and manufacturing, and has low economic benefits and does not meet market demand. Utility Model Content

[0004] The utility model aims to provide an edge banding machine and a laser head with adjustable spot size, aiming to solve the problem of inconvenient installation of a structure for adjusting the spot size in the prior art.

[0005] In order to achieve the above-mentioned purpose, the technical solutions of the present utility model include:

[0006] The utility model provides a laser head with adjustable spot size, comprising:

[0007] An outer shell and a light spot size adjustment mechanism arranged in the outer shell, wherein:

[0008] The light spot size adjustment mechanism includes an inner housing, a laser generator, a first reflector, a second reflector and a rotating device, wherein the inner housing is provided with a first light outlet communicating with the interior of the inner housing;

[0009] The laser generator, the first reflector, the second reflector and the rotating device are all arranged in the inner shell. The rotating device is driven and connected to the first reflector to drive the first reflector to rotate. The first reflector and the second reflector are both located in the light path generated by the laser generator, and the second reflector is arranged corresponding to the first light outlet.

[0010] Compared with the prior art, the present application innovatively installs the laser generator, the first reflector, the second reflector and the rotating device into the inner shell to form the light spot size adjustment mechanism, and the light spot size adjustment mechanism is installed into the outer shell as an independent module, thereby simplifying the installation process; moreover, the light spot size adjustment mechanism can be separately assembled in advance as a prefabricated module and assembled into outer shells of different sizes and specifications, with high adaptability.

[0011] In one embodiment, the inner housing has a first installation cavity and a second installation cavity communicating with the first installation cavity, and the first installation cavity is communicated with the first light outlet;

[0012] The first reflector and the second reflector are arranged in the first mounting cavity;

[0013] The rotating device is arranged in the second installation cavity.

[0014] In one embodiment, the first installation cavity is provided with a first opening, and the laser generator is installed in the first opening.

[0015] In one embodiment, the second mounting cavity is provided with a second opening, and the second opening is provided with a detachable mounting plate.

[0016] In one embodiment, the rotating device includes a rotating motor and a rotating rod drivingly connected to the rotating motor;

[0017] A limiting surface is provided in the second mounting cavity, and the limiting surface is arranged parallel to the mounting plate;

[0018] When the rotating motor is located in the second installation cavity, the front side surface of the rotating motor abuts against the limiting surface.

[0019] In one embodiment, the inner housing further has a transition cavity, and the second installation cavity is connected to the first installation cavity through the transition cavity;

[0020] The rotating rod is arranged in the transition cavity;

[0021] The first reflector extends into the first installation cavity through the transition cavity.

[0022] In one embodiment, a sealing ring groove is provided at the second opening, a sealing ring is provided in the sealing ring groove, and the sealing ring is in contact with the mounting plate.

[0023] In one embodiment, the laser head with adjustable spot size further includes a protective door structure connected to the inner housing and disposed at the first light outlet;

[0024] The protective door structure includes a base, a protective mirror, a protective door and a driving device. The base is provided with a second light outlet, which is arranged corresponding to the first light outlet; the protective mirror is arranged in the second light outlet;

[0025] The driving device is arranged on the base and is drivingly connected to the protection door, so that the protection door has a closed position and an open position relative to the second light outlet.

[0026] The utility model also provides an edge banding machine, which comprises the laser head with adjustable light spot size as described above.

[0027] In order to better understand and implement the present invention, the present invention is described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings, wherein:

[0029] Figure 1 This is one of the three-dimensional diagrams of the laser head of the present utility model;

[0030] Figure 2 This is the second stereoscopic diagram of the laser head of the present invention (some parts are omitted)

[0031] Figure 3 It is a cross-sectional view of the laser head of the present utility model.

[0032] Description of reference numerals:

[0033] 10 outer shell, 110 third light outlet, 210 inner shell, 211 first mounting cavity, 2111 first light outlet, 212 second mounting cavity, 2121 second opening, 2122 mounting plate, 2123 limiting surface, 2124 sealing ring groove, 213 transition cavity, 220 laser generator, 230 first reflector, 240 second reflector, 251 rotating motor, 252 rotating rod, 310 base, 320 protective mirror, 330 protective door, 340 driving device, 350 second light outlet DETAILED DESCRIPTION

[0034] In order to better illustrate the present invention, the present invention is further described in detail below with reference to the accompanying drawings.

[0035] It should be clear that the embodiments described are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments of the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the embodiments of the present application.

[0036] The terms used in the embodiments of the present application are for the purpose of describing specific embodiments only and are not intended to limit the embodiments of the present application. The singular forms "a," "the," and "the" used in the embodiments of the present application and the appended claims are also intended to include plural forms unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0037] When the following description refers to the accompanying drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. On the contrary, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims. In the description of the present application, it should be understood that the terms "first", "second", "third", etc. are only used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence, nor can they be understood as indicating or implying relative importance. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0038] In addition, in this application, unless otherwise specified, "plurality" refers to two or more. "And / or" describes the relationship between associated objects, indicating that three possible relationships exist. For example, "A and / or B" can mean: A exists alone, A and B exist simultaneously, or B exists alone. The character " / " generally indicates that the associated objects are in an "or" relationship.

[0039] Combine Figures 1 to 3 As shown, the utility model provides a laser head with adjustable spot size, comprising: an outer shell 10 and a spot size adjustment mechanism arranged in the outer shell 10, wherein the spot size adjustment mechanism comprises an inner shell 210, a laser generator 220, a first reflector 230, a second reflector 240 and a rotating device, the inner shell 210 is provided with a first light outlet 2111 connected to the interior of the inner shell 210; the laser generator 220, the first reflector 230, the second reflector 240 and the rotating device are all arranged in the inner shell 210, the rotating device is driven and connected to the first reflector 230, and is used to drive the first reflector 230 to rotate; the first reflector 230 and the second reflector 240 are both located in the light path generated by the laser generator 220, and the second reflector 240 is arranged corresponding to the first light outlet 2111.

[0040] Specifically, the laser generator 220, first reflector 230, second reflector 240, and rotating device are first installed into the inner housing 210 to form the light spot size adjustment mechanism. The light spot size adjustment mechanism is then installed into the outer housing 10 as a separate module, simplifying the installation process. Furthermore, the light spot size adjustment mechanism can be pre-assembled separately as a prefabricated module and assembled into outer housings 10 of varying sizes and specifications, providing high adaptability. The laser beam emitted by the laser generator 220 is directed toward the first reflector 230, which then reflects the laser beam toward the second reflector 240, which then emits the laser beam through the first light exit 2111. The rotating device drives the first reflector 230 to rotate, thereby reflecting the laser beam into light spots of varying sizes.

[0041] It should be noted that this application mainly protects the structure of the laser head. For the principle of the rotating device driving the first reflector to rotate to reflect the laser beam into light spots of different sizes, reference can be made to CN214978516U, a machine-use dual-galvanometer welding head.

[0042] Furthermore, in order to reasonably allocate the positions and layouts of the laser generator 220, the first reflector 230, the second reflector 240 and the rotating device in the inner shell 210, the inner shell 210 has a first mounting cavity 211 and a second mounting cavity 212 connected to the first mounting cavity 211, and the first mounting cavity 211 is connected to the first light outlet 2111; the first reflector 230 and the second reflector 240 are arranged in the first mounting cavity 211 so as to reflect the laser beam out of the inner shell 210 through the first light outlet 2111; and the rotating device is arranged in the second mounting cavity 212, so that the components involved in the optical path are integrated into the first mounting cavity 211, and the components involved in the drive are integrated into the second mounting cavity 212, so as to avoid interference between the various components.

[0043] Furthermore, the first mounting cavity 211 is provided with a first opening, in which the laser generator 220 is installed. The laser beam emitted by the laser generator 220 is directed toward the first reflector 230 below, reflected by the first reflector 230 to the second reflector 240, and then emitted through the first light exit 2111. Preferably, the first opening is provided on the upper side of the inner housing 210, and accordingly, the laser generator 220 is provided at the top of the inner housing 210 and is externally located outside the inner housing 210, so as to rationally utilize space within the outer housing 10.

[0044] Furthermore, the second installation cavity 212 is provided with a second opening 2121 , and the second opening 2121 is provided with a detachable installation plate 2122 , and the second opening 2121 is covered by the installation plate 2122 to prevent the rotating device from falling through the second opening 2121 .

[0045] Furthermore, the rotating device includes a rotating motor 251 and a rotating rod 252 driven and connected to the rotating motor 251; a limiting surface 2123 is provided in the second mounting cavity 212, and the limiting surface 2123 is arranged parallel to the mounting plate 2122; when the rotating motor 251 is located in the second mounting cavity 212, the front side surface of the rotating motor 251 is against the limiting surface 2123, and the rotating motor 251 is limited by the limiting surface 2123. After determining the relative position of the rotating motor 251, the inner shell 210 and the rotating motor 251 are connected and fixed by bolts for easy installation.

[0046] Furthermore, the inner shell 210 also has a transition cavity 213, and the second installation cavity 212 is connected to the first installation cavity 211 through the transition cavity 213; the rotating rod 252 is arranged in the transition cavity 213; the first reflector 230 extends into the first installation cavity 211 through the transition cavity 213, and while reasonably utilizing the transition cavity 213, the opening of the first light outlet 2111 can be reduced.

[0047] Preferably, the maximum diameter of the transition cavity 213 is larger than the transverse diameter of the first reflector 230 , so that the first reflector 230 and the rotating rod 252 can be assembled and extended from the transition cavity 213 into the first installation cavity 211 .

[0048] Furthermore, a sealing ring groove 2124 is provided at the second opening 2121, and a sealing ring is provided in the sealing ring groove 2124. The sealing ring is in contact with the mounting plate 2122, and the sealing ring is used to achieve dust-proof treatment to prevent dust from entering the second accommodating cavity through the gap between the mounting plate 2122 and the inner shell 210.

[0049] Furthermore, the second reflector 240 is positioned and fixed by a positioning seat. After the second reflector 240 and the positioning seat are assembled, they are installed in the first accommodating cavity through the first light outlet 2111 .

[0050] Furthermore, the laser head with adjustable spot size also includes a protective door 330 structure, which is connected to the inner shell 210 and is arranged at the first light outlet 2111; the protective door 330 structure includes a base 310, a protective mirror 320, a protective door 330 and a driving device 340, the base 310 is provided with a second light outlet 350, and the second light outlet 350 is arranged corresponding to the first light outlet 2111; the protective mirror 320 is arranged in the second light outlet 350; the driving device 340 is arranged on the base 310 and is driven and connected to the protective door 330, so that the protective door 330 has a closed position and an open position relative to the second light outlet 350. When the protective door 330 is in the closed position, the laser generator 220 does not work and does not output a laser beam, and when the protective door 330 is in the open position, the laser generator 220 works and outputs a laser beam through the first light outlet 2111 and the second light outlet 350.

[0051] Preferably, the driving device 340 is a driving cylinder.

[0052] Furthermore, the outer shell 10 is provided with a third light outlet 110 , and the third light outlet 110 is provided corresponding to the second light outlet 350 .

[0053] The utility model also provides an edge banding machine, which comprises the laser head with adjustable light spot size as described above.

[0054] Based on the disclosure and teachings of the above description, those skilled in the art may also make changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and any modifications and variations of the present invention should also fall within the scope of protection of the claims of the present invention. In addition, although certain specific terms are used in this description, these terms are for convenience of description only and do not constitute any limitation to the present invention.

Claims

1. A laser head with adjustable spot size, characterized in that: include: An outer shell and a light spot size adjustment mechanism arranged in the outer shell, wherein: The light spot size adjustment mechanism includes an inner housing, a laser generator, a first reflector, a second reflector and a rotating device, wherein the inner housing is provided with a first light outlet communicating with the interior of the inner housing; The laser generator, the first reflector, the second reflector and the rotating device are all arranged in the inner shell. The rotating device is driven and connected to the first reflector to drive the first reflector to rotate. The first reflector and the second reflector are both located in the light path generated by the laser generator, and the second reflector is arranged corresponding to the first light outlet.

2. The laser head with adjustable spot size according to claim 1, characterized in that: The inner housing has a first installation cavity and a second installation cavity communicating with the first installation cavity, and the first installation cavity is communicated with the first light outlet; The first reflector and the second reflector are arranged in the first mounting cavity; The rotating device is arranged in the second installation cavity.

3. The laser head with adjustable spot size according to claim 2, characterized in that: The first installation cavity is provided with a first opening, and the laser generator is installed in the first opening.

4. The laser head with adjustable spot size according to claim 2 or 3, characterized in that: The second installation cavity is provided with a second opening, and the second opening is provided with a detachable installation plate.

5. The laser head with adjustable spot size according to claim 4, characterized in that: The rotating device includes a rotating motor and a rotating rod drivingly connected to the rotating motor; A limiting surface is provided in the second mounting cavity, and the limiting surface is arranged parallel to the mounting plate; When the rotating motor is located in the second installation cavity, the front side surface of the rotating motor abuts against the limiting surface.

6. The laser head with adjustable spot size according to claim 5, characterized in that: The inner shell further has a transition cavity, and the second installation cavity is connected to the first installation cavity through the transition cavity; The rotating rod is arranged in the transition cavity; The first reflector extends into the first installation cavity through the transition cavity.

7. The laser head with adjustable spot size according to claim 4, characterized in that: A sealing ring groove is provided at the second opening, a sealing ring is provided in the sealing ring groove, and the sealing ring contacts the mounting plate.

8. The laser head with adjustable spot size according to claim 1, characterized in that: The laser head with adjustable spot size further includes a protective door structure, which is connected to the inner housing and is arranged at the first light outlet; The protection door structure includes a base, a protection mirror, a protection door and a driving device. The base is provided with a second light outlet. The second light outlet is provided corresponding to the first light outlet; the protective mirror is provided in the second light outlet; The driving device is arranged on the base and is drivingly connected to the protection door, so that the protection door has a closed position and an open position relative to the second light outlet.

9. An edge banding machine, characterized in that: The invention comprises a laser head with adjustable spot size as described in any one of claims 1 to 8.